OpenTechnical

OT-2026-000032974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032974) never changes.

Identity and time

Publication numberOT-2026-000032974 · never reused
Internal UUID01a0ae75-4843-7b93-926c-72ecc439e6e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032974
StatusPUBLIC

Content hashes

Canonical textb9e01d1d4f643ca45f9b22fb51709ee2d1c935eac0704fed8335391a0d8b7f7a
Markdown798c2822329d5b278a1e299d8f6544f7863dadcfe987516d07fa69b46c7cd79b
PDF
Publication page2a769f2836ba73b9c70b0caf990f652c6f7d9e6dbf25454e62243cf91e770e9f
Manifesta8cb6cc1a3826c21cd2139443c40ecb2867598701078f34d6b0aa1f8055cc05c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturez8j2yUB/V5+3N9o926qVP8tTxqFJPfbl3uCKZPho9aNKRKVXbHQ5fUcoePuNFqnOhCpBqwTktMX4l7GhcNfCDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:35.044543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032974
observed 2a769f2836ba73b9c70b0caf990f652c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.027274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032974/manifest.json
observed a8cb6cc1a3826c21cd2139443c40ecb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.009290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032974/publication.md
observed 798c2822329d5b278a1e299d8f6544f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:34.991088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032974/publication.txt
observed b9e01d1d4f643ca45f9b22fb51709ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.